Growing community of inventors

Tönisvorst, Germany

Stefan Derstappen

Average Co-Inventor Count = 10.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 13

Stefan Derstappen ↔ Jörg Harren (1 patent)Stefan Derstappen ↔ Waldemar Inger (1 patent)Stefan Derstappen ↔ Manfred Van Stiphoudt (1 patent)Stefan Derstappen ↔ Herbert Vorholt (1 patent)Stefan Derstappen ↔ Stephan Ramlow (1 patent)Stefan Derstappen ↔ Rüdiger Hose (1 patent)Stefan Derstappen ↔ Kai Hebben (1 patent)Stefan Derstappen ↔ Axel Busch (1 patent)Stefan Derstappen ↔ Michael Lange (1 patent)Stefan DerstappenStefan Derstappen (1 patent)Jörg HarrenJörg Harren (10 patents)Waldemar IngerWaldemar Inger (6 patents)Manfred Van StiphoudtManfred Van Stiphoudt (5 patents)Herbert VorholtHerbert Vorholt (5 patents)Stephan RamlowStephan Ramlow (4 patents)Rüdiger HoseRüdiger Hose (1 patent)Kai HebbenKai Hebben (1 patent)Axel BuschAxel Busch (1 patent)Michael LangeMichael Lange (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evonik Stockhausen Gmbh (1 from 79 patents)

2. Evonik Degussa Gmbh (1,242 patents)


1 patent:

1. 8349913 - Process for gentle mixing and coating of superabsorbers

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as of
12/30/2025
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